Three-class Gaussian Weakly Separable
Sep sigma = sqrt(2)/2

Sep sigma = 2/3*sqrt(2)

Sep sigma = sqrt(2)

Sep sigma = 2*sqrt(2)

Four-class Gaussian Weakly Separable
Sep sigma = sqrt(2)/2

Sep sigma = 2/3*sqrt(2)

Sep sigma = sqrt(2)

Sep sigma = 2*sqrt(2)

Five-class Gaussian Weakly Separable
Sep sigma = sqrt(2)/2

Sep sigma = 2/3*sqrt(2)

Sep sigma = sqrt(2)

Sep sigma = 2*sqrt(2)
